YOU SAID:
Why didn't you tell me you were pregnant?
INTO JAPANESE
なぜあなたは妊娠していると言いませんでしたか?
BACK INTO ENGLISH
Why did not you say you are pregnant?
INTO JAPANESE
なぜあなたは妊娠していると言わなかったのですか?
BACK INTO ENGLISH
Why did not you say you are pregnant?
That didn't even make that much sense in English.